Python Django模板不';无法获取上下文变量
我们将Django 2.1用于。我为用户添加了一个管理员视图-每个用户的URL都是用户的相同URL,但前缀为Python Django模板不';无法获取上下文变量,python,django,Python,Django,我们将Django 2.1用于。我为用户添加了一个管理员视图-每个用户的URL都是用户的相同URL,但前缀为“/admin/user”。我使用上下文处理器定义了管理员用户前缀: def add_admin_user_prefix(request): if ((request.user.is_superuser) or (request.user.is_staff)): admin_user_prefix = "/admin/user" else:
“/admin/user”
。我使用上下文处理器定义了管理员用户前缀:
def add_admin_user_prefix(request):
if ((request.user.is_superuser) or (request.user.is_staff)):
admin_user_prefix = "/admin/user"
else:
admin_user_prefix = ""
return {
'admin_user_prefix': admin_user_prefix,
}
但问题是,基本模板和包含的模板看不到此变量。在包含模板时,我不会仅使用关键字。但是,当我打印{{{admin\u user\u prefix}}
时,基本模板和包含的模板不会打印任何内容。前缀用于将管理员重定向到特定于管理员的用户URL,而不是常规用户URL。但是我检查过了,URL是常规URL。在某些情况下,前缀是打印出来的,在我看来,如果它不是包含的模板,也不是基础模板,那么它就是打印出来的。问题是什么?如何解决
从speedy/core/settings/base.py
:
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [
str(APP_DIR / 'templates'),
str(ROOT_DIR / 'speedy/core/templates')
],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
'django.template.context_processors.i18n',
'speedy.core.base.context_processors.active_url_name',
'speedy.core.base.context_processors.settings',
'speedy.core.base.context_processors.sites',
'speedy.core.base.context_processors.speedy_net_domain',
'speedy.core.base.context_processors.speedy_match_domain',
'speedy.core.base.context_processors.add_admin_user_prefix',
],
},
},
]
在某些情况下,会打印前缀,因此会创建上下文。我以超级用户和职员的身份查看网站
未打印{{admin\u user\u prefix}}
的模板包括在包含中,例如:
{% include 'admin/user_list_item.html' with user=user %}
或者它们是呈现模板的基础模板({%extends'profiles/user_base.html%}
)
这是一种观点:
class UserDetailView(UserMixin, generic.TemplateView):
template_name = 'profiles/user_detail.html'
def get_widget_kwargs(self):
return {
'request': self.request,
'user': self.user,
'viewer': self.request.user,
}
def get_widgets(self):
widgets = []
for widget_path in django_settings.USER_PROFILE_WIDGETS:
widget_class = import_string(widget_path)
widgets.append(widget_class(**self.get_widget_kwargs()))
return widgets
def get_context_data(self, **kwargs):
cd = super().get_context_data(**kwargs)
cd.update({
'widgets': self.get_widgets(),
})
return cd
profiles/user\u-detail.html
包含{%extends'profiles/user\u-detail\u-base.html%}
,其中包含{%extends'profiles/user\u-base.html%}
,但未正确显示。小部件中的同一标记确实显示管理员用户前缀
我的模板:
speedy/net/templates/admin/profiles/user\u detail.html
:
{% extends 'profiles/user_detail.html' %}
{% block user_tools %}{% endblock %}
{% extends 'profiles/user_detail_base.html' %}
{% load i18n %}
{% block title %}{{ user.name }} / {% block site_title %}{{ block.super }}{% endblock %}{% endblock %}
{% extends 'profiles/user_base.html' %}
{% load i18n %}
{% block user_content_info %}
<div class="row flex-wrap">
{% for widget in widgets %}
{{ widget.html }}
{% endfor %}
</div>
{% endblock %}
{% extends 'base_site.html' %}
{% load core_tags_and_filters %}
{% load i18n %}
{% load core_messages_tags %}
{% load rules %}
{% block content %}
{% has_perm 'accounts.view_profile' request.user user as can_view_profile %}
{% has_perm 'accounts.view_profile_header' request.user user as can_view_profile_header %}
{% has_perm 'accounts.view_profile_info' request.user user as can_view_profile_info %}
<div class="row justify-content-center">
<div class="{% if site == speedy_match %}col-md-7{% else %}col-12{% endif %}">
{% if can_view_profile_header %}
<div class="row">
<div class="col-md">
<div class="page-header">
<h1>
<a href="{{ admin_user_prefix }}{% url 'profiles:user' slug=user.slug %}">{{ user.name|truncatechars:50 }}</a>{% block user_extra %}{% endblock %}
</h1>
<div class="text-muted">
{% block user_status %}
{% if friendship_request_sent %}
{% trans 'Friendship request sent' %}
{% endif %}
{% if user_is_friend %}
{% trans 'Your friend' context user.get_gender %}
{% endif %}
{% endblock %}
</div>
</div>
</div>
<div class="col-md-auto">
<div class="my-2">
{% block user_tools %}
{% include 'profiles/tools/tools.html' %}
{% endblock %}
</div>
</div>
</div>
{% endif %}
{% if can_view_profile %}
{% block user_content %}
{% endblock %}
{% else %}
{% if can_view_profile_info %}
{% include 'profiles/block_warning.html' with user=request.user other=user %}
{% else %}
<div class="row">
<div class="col-sm-12">
<a href="//{{ LANGUAGE_CODE }}.{{ SPEEDY_NET_DOMAIN }}{{ admin_user_prefix }}{% url 'profiles:user' slug=user.slug %}">
{# ~~~~ TODO: remove "his/her" and setup strings in Python! #}
{% trans "This user doesn't match your profile, " context user.get_gender %}{% trans "but you can visit his/her Speedy Net profile. " context user.get_gender %}{% trans "View " context request.user.get_gender %}{% trans "user's profile on Speedy Net." context user.get_gender %}
</a>
</div>
</div>
{% endif %}
{% endif %}
{% block user_content_info %}
{% endblock %}
</div>
</div>
{% endblock %}
speedy/net/templates/profiles/user\u detail.html
:
{% extends 'profiles/user_detail.html' %}
{% block user_tools %}{% endblock %}
{% extends 'profiles/user_detail_base.html' %}
{% load i18n %}
{% block title %}{{ user.name }} / {% block site_title %}{{ block.super }}{% endblock %}{% endblock %}
{% extends 'profiles/user_base.html' %}
{% load i18n %}
{% block user_content_info %}
<div class="row flex-wrap">
{% for widget in widgets %}
{{ widget.html }}
{% endfor %}
</div>
{% endblock %}
{% extends 'base_site.html' %}
{% load core_tags_and_filters %}
{% load i18n %}
{% load core_messages_tags %}
{% load rules %}
{% block content %}
{% has_perm 'accounts.view_profile' request.user user as can_view_profile %}
{% has_perm 'accounts.view_profile_header' request.user user as can_view_profile_header %}
{% has_perm 'accounts.view_profile_info' request.user user as can_view_profile_info %}
<div class="row justify-content-center">
<div class="{% if site == speedy_match %}col-md-7{% else %}col-12{% endif %}">
{% if can_view_profile_header %}
<div class="row">
<div class="col-md">
<div class="page-header">
<h1>
<a href="{{ admin_user_prefix }}{% url 'profiles:user' slug=user.slug %}">{{ user.name|truncatechars:50 }}</a>{% block user_extra %}{% endblock %}
</h1>
<div class="text-muted">
{% block user_status %}
{% if friendship_request_sent %}
{% trans 'Friendship request sent' %}
{% endif %}
{% if user_is_friend %}
{% trans 'Your friend' context user.get_gender %}
{% endif %}
{% endblock %}
</div>
</div>
</div>
<div class="col-md-auto">
<div class="my-2">
{% block user_tools %}
{% include 'profiles/tools/tools.html' %}
{% endblock %}
</div>
</div>
</div>
{% endif %}
{% if can_view_profile %}
{% block user_content %}
{% endblock %}
{% else %}
{% if can_view_profile_info %}
{% include 'profiles/block_warning.html' with user=request.user other=user %}
{% else %}
<div class="row">
<div class="col-sm-12">
<a href="//{{ LANGUAGE_CODE }}.{{ SPEEDY_NET_DOMAIN }}{{ admin_user_prefix }}{% url 'profiles:user' slug=user.slug %}">
{# ~~~~ TODO: remove "his/her" and setup strings in Python! #}
{% trans "This user doesn't match your profile, " context user.get_gender %}{% trans "but you can visit his/her Speedy Net profile. " context user.get_gender %}{% trans "View " context request.user.get_gender %}{% trans "user's profile on Speedy Net." context user.get_gender %}
</a>
</div>
</div>
{% endif %}
{% endif %}
{% block user_content_info %}
{% endblock %}
</div>
</div>
{% endblock %}
speedy/core/templates/profiles/user\u detail\u base.html
:
{% extends 'profiles/user_detail.html' %}
{% block user_tools %}{% endblock %}
{% extends 'profiles/user_detail_base.html' %}
{% load i18n %}
{% block title %}{{ user.name }} / {% block site_title %}{{ block.super }}{% endblock %}{% endblock %}
{% extends 'profiles/user_base.html' %}
{% load i18n %}
{% block user_content_info %}
<div class="row flex-wrap">
{% for widget in widgets %}
{{ widget.html }}
{% endfor %}
</div>
{% endblock %}
{% extends 'base_site.html' %}
{% load core_tags_and_filters %}
{% load i18n %}
{% load core_messages_tags %}
{% load rules %}
{% block content %}
{% has_perm 'accounts.view_profile' request.user user as can_view_profile %}
{% has_perm 'accounts.view_profile_header' request.user user as can_view_profile_header %}
{% has_perm 'accounts.view_profile_info' request.user user as can_view_profile_info %}
<div class="row justify-content-center">
<div class="{% if site == speedy_match %}col-md-7{% else %}col-12{% endif %}">
{% if can_view_profile_header %}
<div class="row">
<div class="col-md">
<div class="page-header">
<h1>
<a href="{{ admin_user_prefix }}{% url 'profiles:user' slug=user.slug %}">{{ user.name|truncatechars:50 }}</a>{% block user_extra %}{% endblock %}
</h1>
<div class="text-muted">
{% block user_status %}
{% if friendship_request_sent %}
{% trans 'Friendship request sent' %}
{% endif %}
{% if user_is_friend %}
{% trans 'Your friend' context user.get_gender %}
{% endif %}
{% endblock %}
</div>
</div>
</div>
<div class="col-md-auto">
<div class="my-2">
{% block user_tools %}
{% include 'profiles/tools/tools.html' %}
{% endblock %}
</div>
</div>
</div>
{% endif %}
{% if can_view_profile %}
{% block user_content %}
{% endblock %}
{% else %}
{% if can_view_profile_info %}
{% include 'profiles/block_warning.html' with user=request.user other=user %}
{% else %}
<div class="row">
<div class="col-sm-12">
<a href="//{{ LANGUAGE_CODE }}.{{ SPEEDY_NET_DOMAIN }}{{ admin_user_prefix }}{% url 'profiles:user' slug=user.slug %}">
{# ~~~~ TODO: remove "his/her" and setup strings in Python! #}
{% trans "This user doesn't match your profile, " context user.get_gender %}{% trans "but you can visit his/her Speedy Net profile. " context user.get_gender %}{% trans "View " context request.user.get_gender %}{% trans "user's profile on Speedy Net." context user.get_gender %}
</a>
</div>
</div>
{% endif %}
{% endif %}
{% block user_content_info %}
{% endblock %}
</div>
</div>
{% endblock %}
我检查并发现问题出在一个标记上,例如{%profile\u picture user'256x200'html\u class=“rounded lg”%}
,它调用以下标记:
@register.inclusion_tag('accounts/profile_picture.html')
def profile_picture(user, geometry, with_link=True, html_class=''):
return {
'user': user,
'geometry': geometry,
'width': geometry.split('x')[0],
'with_link': with_link,
'html_class': html_class,
}
前缀未打印仅在模板'accounts/profile\u picture.html'
中。您是否在settings.py中添加了上下文处理器
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(BASE_DIR, 'templates'),
],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
'Your context processor'
]
}
}
]
如果要使用在包含的模板中创建的上下文处理器变量,请在包含之前添加:
{%add_admin_user_前缀为add_admin_user_前缀%}
{%include“whatever.html”%}
我不知道为什么一定要这样做,但对于我使用的一个包(django postman
)来说,它对我来说是有效的。希望您的上下文变量可以全局访问。正如我在评论中提到的,这是由于使用inclusion\u标记来呈现模板
问题是它们没有任何上下文变量,因此,不会调用自定义的上下文处理器
您应该在模板标记中使用takes\u context=True
,以使其接受上下文数据
现在有效的代码是:
@register.inclusion_tag(filename='accounts/profile_picture.html', takes_context=True)
def profile_picture(context, user, geometry, with_link=True, html_class=''):
context = copy.copy(context)
context.update({
'user': user,
'geometry': geometry,
'width': geometry.split('x')[0],
'with_link': with_link,
'html_class': html_class,
})
return context
是的。我已经写过,在某些情况下,前缀是打印出来的。@Uri是那些没有显示由自定义模板标记(inclusion\u tag
)呈现的{admin\u user\u prefix}}
的模板。我在调用模板中添加了{admin\u user\u prefix}
,就在{%include'admin/user\u list\u item.html'之前,user=user%}
,然后我可以看到打印的管理员前缀。但是将其更改为{%include'admin/user\u list\u item.html',user=user admin\u user\u prefix=admin\u user\u prefix%}
不起作用。@PedramParsian实际上你是对的。很抱歉,我没有意识到这个错误,但问题在于使用包含标记呈现的模板出现了问题。这引发了一个异常:模板语法错误位于/admin/users/第15行的无效块标记:“add_admin\u user\u prefix”,应为“empty”或“endfor”。您忘记注册或加载此标签了吗?
是的,很抱歉,实际上包裹邮递员
通过templatetag定义了此变量,我忘记了。谢谢,它可以工作!您介意我编辑您的答案并添加现在可以使用的代码吗?如果您这样做,我将不胜感激:)